Pathological Liar (#27618)

* content

* upgrade

* n't

* ye ya

* Update speech-liar.ftl

* Mith replacement ideas

* fix

* more!

* Revert "more!"

This reverts commit 6d10bdf694985c525a2b451ed39380f975059b44.

* Update Content.Server/Speech/Components/ReplacementAccentComponent.cs

---------

Co-authored-by: Kara <lunarautomaton6@gmail.com>

Content.Server/Speech/EntitySystems/ReplacementAccentSystem.cs

@@ -24,6 +24,9 @@ namespace Content.Server.Speech.EntitySystems
 
         private void OnAccent(EntityUid uid, ReplacementAccentComponent component, AccentGetEvent args)
         {
+            if (!_random.Prob(component.ReplacementChance))
+                return;
+
             args.Message = ApplyReplacements(args.Message, component.Accent);
         }
 
@@ -46,6 +49,12 @@ namespace Content.Server.Speech.EntitySystems
             if (prototype.WordReplacements == null)
                 return message;
 
+            // Prohibition of repeated word replacements.
+            // All replaced words placed in the final message are placed here as dashes (___) with the same length.
+            // The regex search goes through this buffer message, from which the already replaced words are crossed out,
+            // ensuring that the replaced words cannot be replaced again.
+            var maskMessage = message;
+
             foreach (var (first, replace) in prototype.WordReplacements)
             {
                 var f = _loc.GetString(first);
@@ -53,10 +62,10 @@ namespace Content.Server.Speech.EntitySystems
                 // this is kind of slow but its not that bad
                 // essentially: go over all matches, try to match capitalization where possible, then replace
                 // rather than using regex.replace
-                for (int i = Regex.Count(message, $@"(?<!\w){f}(?!\w)", RegexOptions.IgnoreCase); i > 0; i--)
+                for (int i = Regex.Count(maskMessage, $@"(?<!\w){f}(?!\w)", RegexOptions.IgnoreCase); i > 0; i--)
                 {
                     // fetch the match again as the character indices may have changed
-                    Match match = Regex.Match(message, $@"(?<!\w){f}(?!\w)", RegexOptions.IgnoreCase);
+                    Match match = Regex.Match(maskMessage, $@"(?<!\w){f}(?!\w)", RegexOptions.IgnoreCase);
                     var replacement = r;
 
                     // Intelligently replace capitalization
@@ -80,6 +89,8 @@ namespace Content.Server.Speech.EntitySystems
 
                     // In-place replace the match with the transformed capitalization replacement
                     message = message.Remove(match.Index, match.Length).Insert(match.Index, replacement);
+                    string mask = new string('_', match.Length);
+                    maskMessage = message.Remove(match.Index, match.Length).Insert(match.Index, mask);
                 }
             }